Shoe press



P. BRAUNER SHOE PRES 5 April 13, 1937.

Filed Nov. l6, 1934 3 Sheets-Sheet l /N VENTOR" 44; ona.

ATTORNEY P. BRAUNER 2,076,696

' SHOE PRESS Filed Nov. 16, 1934 April 13, 1937.

s Sheets-Sheet; 2

'EfQ- /NVEN TOR ew.e.meem;

ATTORNEY UNITED STATES PATENT OFFICE SHOE PRESS Pincus Brauner,Haverhill, Mass. Application November '16, 1934, Serial No. 753,263

9 Claims.

This invention relates to shoe presses or jacks for holding an outersole firmly against a shoe during the cementing operation.

In manufacturing shoes and in repairing shoes 5 it is quite common tocement the outer sole in place, and when cement is employed topermanently secure the sole to a shoe it is important that the sole beheld tightly against the bottom of the shoe throughoutthe periodrequired for 10 the cement to set. To accomplish this it has beenproposed heretofore to employ a press or jack having an inflatable bagor pad to press the sole firmly against the shoe.

When the bag of a shoe press is inflated with 15 a shoe resting thereonit is necessary to hold the shoe from moving upwardly under the pressureexerted upon the sole by the bag, and various forms of adjustable leversand screws have been proposed heretofore for holding the shoe in place.

The present invention contemplates an extremely simple form of shoepress or jack which is so designed that the adjustable shoe holdinglevers and screws employed heretofore are eliminated in the presentconstruction.

One important feature of the invention resides in a shoe press or jackconsisting of a base for supporting an inflatable bag and an overhangingarm of the cantilever type which extends over the, base far enough tooverlie and hold 30 both the toe and heel parts of the shoe.

Another important feature resides in the construction and arrangementwhereby shoes of various sizes may be placed in the press withoutrequiring any provision for adjustment between 35 the base and shoeholding means extending over 'the base.

A further feature resides in the novel construction of the bag andcooperating base that holds and supports the bag, and still a further 40feature resides in the construction and arrangement of pipe means forinflating and deflating the bag. p

Other features of the invention and novel combination of parts inaddition to the above 45 will be hereinafter described in connectionwith 55 bag employed in the jack of Fig. 1.

Fig. 4 is a sectional view taken on the line 4-4 of Fig. 3.

Fig. 5 is a side elevation of a modified form of jack constructed to bemounted on a supporting table and to receive a shoe with the heel inplace; and

Fig. 6 is a side elevation of a further modification showing thesupporting means for the jack at the closed end of the casting.

In each of the constructions shown practically the entire jack isformedof an integral casting consisting of a bag supporting base l0, anupright portion at one end of the base and an.

overhanging arm or cantilever that is supported in spaced relation tothe base by the upright. In Figs. 1 and 2 this upright is designated byII and the overhanging arm or cantilever is designated by l2, and inorder to secure a strong jack of light weight the parts H and [2 mayhave an I-beam construction in cross section as shown, and the parts IIand [2 are shaped to form a graceful curve while the lower portion ofthe upright II has a rib-like part I 3 that extends under the base illto support and strengthen this base. As a result of this constructionthe jack somewhat resembles the letter C in side elevation and providesan entrance opening through which a shoe can be readily inserted and Yremoved.

The bag supporting base l preferably has a relatively flat surface belowthe sole of the shoe upon which the bag rests and has the upstandingside walls or flanges l4 and I5 adapted to support the sides of the bagwhen thebag is inflated. At the inner end of the base is preferablyprovided the upstanding wall I6, and extending inwardly a short distancefrom this wall is the shelf I! that overlies the end of the bag and iselevated sufficiently to permit this end to curl upwardly slightly aboutthe toe of the shoe when the bag is inflated, but prevents this end fromcurling too much. The portion of the base I which supports the shoe S inwhich this last is inserted is forced upwardly by an inflated bag or padB. The toe portion of the shoe is held against the upward pressure ofthe bag, in the construction shown, by

the post 20' which is slidably mounted upon and extends downwardly froman intermediate portion of the cantilever arm l2. The post 20 is 5slidably secured to the overhanging arm l2 by providing at the upper endof the post a head 2! that is slidably secured to a block-like portion22 of the arm l2 by the tongue and groove parts shown. As a result ofthis construction the post 20 may be readily shifted lengthwise of thejack to accommodate different size shoes. The lower end of the post 20is preferably provided with a soft pad 23 adapted to engage the shoe.

The means for supporting the shoe press or jack 15 may vary inaccordance with the use to which the jack is to be put, and in theconstruction shown in Figs. 1 and 2 the jack is provided with thesupporting bracket 24 that extends upwardly some distance from the upperpart l2 of the jack. This construction is particularly well adapted forsupporting the jack from the periphery of a wheel as in the solecementing machine forming the subject matter of my application SerialNo.

756,965 filed December 11, 1934.

In the modification of Fig.5 the upright is designated by H and theoverhanging arm by I2, and a jack supporting bracket 28 is providedbeneath the base l and is secured by the bolts 29 to a supporting plateor table 30.

It is important that means be provided for inflating and deflating thebag B and this is accomplished in the construction shown in Fig. byforming an air conduit 3| in the lower portion of the jack frame, andthis conduit may be formed by providing a hole extending upwardlythrough the bracket 28 and rib l3 to the clearance space 32 formed inthis rib, or by providing a pipe which is cast in the metal of thecasting. The lower end of the conduit 3| aligns with a hole 33 in thetable 40 30 to which air under pressure may be supplied by the pipe 34,and a gasket X is provided between the parts 28 and 30.

In the modified ,form of Fig. 6 the upright is designated by HE and theoverhanging arm by 5 I 2", and the jack is supported by a bracket 25provided at the inner end of the jack and this bracket is secured bybolts 26 to supporting means 21. In this construction a ferrule 35 iscast in the rib l3 below the clearance space 32. This 50 ferrule isclosed at its lower end and open at its upper end and air under pressureis supplied to the ferrule by a pipe 36 which is preferably cast in themetal of the casting and extends from the outer face of the flange 25to'the ferrule. The end 55 of this pipe within the flange 25 ispreferably secured to a metal disk 31 which-is secured in the castingand the metal forming the ferrule 35, pipe 36 and disk 31 should have amuch higher melting point than the metal forming the jack casting 60 sothat these parts will not be injured where they are surrounded by themolten metal of the casting.

In the construction shown in Figs. 1 and 2 the air supply pipe 38positioned in the Jack casting leads from a disk 39 at theupper face ofthe 65 flange 24 to a ferrule 40 below the clearance space 32. Thisferrule however is shown as provided with the hand valve 4| which may beopened to allow the compressed air to escape from the bag B.

The construction of the inflatable bag is important since it is foundadvisable to inflate the bag under considerable pressure, and the bagwill not stand this pressure unless it is well designed. In theconstruction shown the bag comprises a 7 bladder 42 of rubber and acasing 43 preferably formed of leather. The major portion of the casing43 is formed of a single strip of leather rectangular in shape andfolded over upon itself so that its ends overlap at the under side ofthe bag as at 44 and the overlapped ends are cemented together. havingthe form of a relatively flat tube and the ends of the tube thus formedare closed by securing in these ends the long narrow leather strips 45which are curved longitudinally as shown to give the bag theconfiguration shown in Fig. 3 to conform to the bottom of the shoe.These strips 45 are secured to the parts 43 by the rows of stitches 46as best shown in Fig. 4. The bag may have its greatest fullness belowthe shank of the shoe as shown.

The bag thus formed has the smooth rounded ends 41 that are free fromseams or joints, and the bladder is inserted in the casing through theslit 48 closed by the lacing 49. The bladder 42 may have the usual metalvalve tube 50. from which the internal valve is omitted and which tubeis externally threaded and has screwed thereupon the locking nut 5|.This nut in accordance with the present invention performs the doublefunction of clamping the bag in place upon the base [0 and of forming anair tight connection between the outer end of the tube 50 and the pipe3| of Fig. 5 or the ferrules of the other views. In each case a pocketor seat is formed at the lower side of the clearance opening 32 toreceive a non-metallic washer 52 against which the lower end of the tube50 is tightly seated by tightening the nut 5| against the upper wall ofthe opening 32. In this manner a simple means of providing an air tightconnection between tube 50 and supply pipe is secured.

While the jack of the present invention was designed more particularlyto employ air as the bag inflating fluid, satisfactory result may besecured by inflating the bag with a liquid such as water, particularlyif the bag is connected with the water supply system that is under aconstant he'ad pressure which maintains the pressure in the bag.

In the modified form of Fig. 5 the supporting base l0 and bag B areshorter than in the other views so as to clear the heel of a shoe incase it is desired to secure a sole to a shoe which has the heelattached.

It will be seen from the foregoing that the present press or jack hasvery few parts and will receive shoes of various sizes and shapeswithout any adjustment other than possibly the sliding movement of-thepost 20. It will also be apparent that the box-like construction of thebase i0 serves to support the sides of the bag while the bag issufiiciently free to conform snugly to the contour of the shoe.

While the shoe press of the present invention has been described asdesigned to hold the sole firmly against a shoe while the binding cementsets, the press may be employed for the purpose of pressing the loweredges of the shoe upper firmly against the last to shape the shoe. Itmay also be employed to press the sole firmly against the shoe when arubber or other quick acting cement that grips immediately is used.

\ I claim:

1. A shoe press for pressing a sole against ash'oe to cement the sole inplace, comprising an inflatable bag, a casting formed with a base forsupporting the bag and an overhanging cantilever arm that extends oversubstantially the entire length of the base and provided with a Thisproduces a container substantially the entirelength of the base andprovided with a rigid last-receiving abutment at its outer end to hold ashoe against the upward pressure exerted upon it when the bag upon thebase is inflated.

3. A shoe press for pressing a sole against a shoe to cement the solein' place, comprising an inflatable bag, a casting formed with alongitudinally extending base for supporting the bag and a cantileverarm that extends over substantially the entire length of the base andprovided with a rigid last-receiving abutment at its outer end to hold ashoe against the upward pressure exerted upon it when the bag upon thebase is inflated, and said casting being opened at one end for thepassage of the shoe into and out of the press.

4. A shoe press for pressing a sole against a shoe to cement the sole inplace, comprising a bag having an externally threaded tube extendingdownwardly therefrom and a clamping nut on the tube, a casting having abase for supporting the bag and formed with a clearance space below thebase for the clamping nut, a pipe for inflating the bag mounted in thecasting and having its discharge end aligned with said tube whereby atight joint is fonned between the tube and pipe by tightening theclamping nut against the casting in a direction to force the tubedownwardly and seat it flrmly at the end of said pipe, and means forholding a shoe upon the inflated bag.

40 5. A shoe press for pressing a sole against a shoe to cement the solein place, comprising a bag extending from said supporting means to saidtube to inflate the bag.

6. A shoe press ior-pressingja sole against a shoe to cement the sole inplace, comprising a bag having a tube extending therefrom. a castinghaving a base for supporting the bag, a pipe cast within the casting andconnected to said tube to inflate the bag, a valve connected to saidpipe, and means for holding a shoe upon the inflated bag.

7. 'A shoe press for pressing a sole against a shoe to cement the solein place, comprising an inflatable bag, a base for supporting the bag,an upright at one end of the base and formed with a supporting flangethat projects under the base and is integral with the latter, and an armsupported entirely by saidupright in overhanging relation to the'baseand constructed and arranged to extend over the base far enough tooverlie both the toe and heel parts of a shoe and hold them.

against the upward pressure exerted upon th shoe by the inflated bag.

8. A shoe press for pressing a sole against a shoe to cement the sole inplace, comprising an inflatable bag, a base for supporting the bag, saidbag and base being adapted to support a shoe with the heel attached, anupright at one end of the base, and a cantilever arm supported by saidupright in overhanging relation to the base and constructed and arrangedto extend over the base and beyond the other end thereof to overlie boththe toe and heel parts of a shoe to form a shoereceiving opening betweenthe end of the base and arm and hold the shoe and last against theupward pressure exerted upon the shoe by the inflated bag.

9. An inflatable bag for a shoe cementing press, comprising a bladder, acasing therefor formed of an elongated strip or leather having its endssecured together in overlapping relation at a point along its lower wallto provide a flattened tube having rounded seamless ends,'and the sideopenings of the flattened tube thus formed being closed with long narrowstrips secured therein to form an elongated bladder-containing casing.

Pmcus BBAUNER.

